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HTML Pages with CSS and JavaScript

Double Refresh of JSPs

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posted 16 years ago

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Hi
I got this problem of my web pages refreshing twice on load
When I have set my browser settings for "Check For newer versions of web page... " to Automatically... I do not get the double refresh problem, but When I have my setting to "On every visit to the page" my Jsps load twice(its like another submit happening after the jsp is loaded... and of course I checked... there is no submit happening in the onLoad function)

Any Pointers
Thanks
Pratik Lohia

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posted 16 years ago

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How are you determining that the page is double-loading?

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Pratik Lohia

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posted 16 years ago

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Actually I am able to see the double load happen on slower machines, where the browser response is slow. Whenever a page loads, and the user sees it for a coipla seconds, or moves his mouse to perform any action on the page ... and whoosh.... there goes the page again and refreshes.

Bear Bibeault

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posted 16 years ago

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That's not something I've ever heard of. Are you sure that it's not just the browser acting badly and redrawing the display, and that a separate request is actually being sent? Are you sure that there's no meta tag or Javascript on the page that could be triggering a reload?

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Pratik Lohia

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posted 16 years ago

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I am sure theres none.... but if u wud still like to verify
here is the jsp header code

<%@ taglib uri="/WEB-INF/struts-html.tld" prefix="html" %>
<%@ taglib uri="/WEB-INF/struts-bean.tld" prefix="bean" %>
<%@ taglib uri="/WEB-INF/struts-logic.tld" prefix="logic" %>
<%@ taglib uri="/WEB-INF/stride-common.tld" prefix="common" %>
<%@ taglib uri="/WEB-INF/struts-nested.tld" prefix="nested" %>
<%@ page import="com.vfc.stride.common.*,com.vfc.stride.common.util.StringUtil,com.vfc.stride.common.Constants,java.util.*" %>
<html>
<IFRAME  name="reportframe" src="about:blank" frameborder="0" class="bluebg" height="0px" width="0px">
</IFRAME>
<head>
<base target="main">
<title>VF StrIDE</title>
 
<link href="<bean:message key="STYLE_PATH" />/vf.css" rel="stylesheet" type="text/css">
<script language='javascript' src='<bean:message key="JS_PATH" />/util.js'></script>
<script language='javascript' src='<bean:message key="JS_PATH" />/validations.js'></script>
<bean   :mrgreen:   efine id="categoryList" name="ITEM_CATEGORY" scope="application" type="java.util.ArrayList"/>
<bean   :mrgreen:   efine id="subCategoryList" name="ITEM_SUBCAT" scope="application" type="java.util.ArrayList"/>
<bean   :mrgreen:   efine id="itemTypeList" name="ITEM_TYPE" scope="application" type="java.util.ArrayList"/>
<bean   :mrgreen:   efine id="seasonsList" name="SEASONSNEW" scope="application" type="java.util.ArrayList"/>
 
<bean   :mrgreen:   efine id="searchpaginationLength"  name="materialForm" property="searchpaginationLength" />
<bean   :mrgreen:   efine id="searchpaginationOffset"  name="materialForm" property="searchpaginationOffset" />
<bean   :mrgreen:   efine id="searchpaginationIndex"  name="materialForm" property="searchpaginationIndex" />
<bean   :mrgreen:   efine id="searchpaginationTotalPages"  name="materialForm" property="searchpaginationTotalPages" />
<bean   :mrgreen:   efine id="searchpaginationTotalRecords"  name="materialForm" property="searchpaginationTotalRecords" />
 
<bean   :-P	   arameter id ="machineNumber" name= "machineNumber" value ="0"/>
<bean   :-P	   arameter id ="threadType" name= "threadType" value ="needle"/>
<bean   :-P	   arameter id ="lbrRtngItemIndex" name= "lbrRtngItemIndex" value ="0"/>
<bean   :-P	   arameter id ="brcId" name= "brcId" value ="0"/>
<bean   :-P	   arameter id ="operationIndex" name= "operationIndex" value =""/>
<bean   :-P	   arameter id ="materialCodeSearch" name= "materialCodeSearch" value =""/>
 
<%String comingFrom=(String)request.getParameter("comingFrom");%>

and here is the snippet of the javascript on loadc function.

function onLoadFunction()
{

//alert(document.forms[0].sessionMatList.value);
//alert("calledfrom="+'<bean:write  name="materialForm" property="calledFrom"/>');
//alert("callingScreen="+'<bean:write  name="materialForm" property="callingScreen"/>');

<bean   :mrgreen:   efine  id="categoryTypeTmp" name='materialForm' property='categoryType'/>
var categoryType='<%=StringUtil.processString(categoryTypeTmp.toString(), new String[]{"\\", "\"", "'"}, "\\" )%>';

//change category drop down and set the value
changeCategory();
<bean   :mrgreen:   efine  id="categoryTmp" name='materialForm' property='category'/>
var selCat = '<%=StringUtil.processString(categoryTmp.toString(), new String[]{"\\", "\"", "'"}, "\\" )%>';
var command=document.forms[0].command.value;
//if search is invoked from BOM or Material data table then set select by default
if(command != 'MATERIALSEARCH' && command!='SEARCH'){
document.forms[0].category.value = selCat;
document.forms[0].categoryType.value = categoryType;
}
else{
document.forms[0].category.value = "-1";
document.forms[0].itemCode.value="";
document.forms[0].categoryType.value = "-1";
}
 
//change sub-category drop down and set the value
changeSubCategory();
<bean   :mrgreen:   efine  id="subCategoryTmp" name='materialForm' property='subCategory'/>
var selSubCat = '<%=StringUtil.processString(subCategoryTmp.toString(), new String[]{"\\", "\"", "'"}, "\\" )%>';
 
if(document.forms[0].category.value != "-1")
document.forms[0].subCategory.value = selSubCat;
else
document.forms[0].subCategory.value = "-1";

//change itemtype drop down and set the value
changeItemType();
<bean   :mrgreen:   efine  id="itemTypeTmp" name='materialForm' property='itemType'/>
var selItemType = '<%=StringUtil.processString(itemTypeTmp.toString(), new String[]{"\\", "\"", "'"}, "\\" )%>';
if(document.forms[0].subCategory.value != "-1")
document.forms[0].itemType.value = selItemType;
else
document.forms[0].itemType.value = "-1";
 
 
/********* Anticipating that the user will need this screen to work like operation replace (Defect Id -2188)
material code to be carry forwaded to the Search 
Material Screen --  Joel*/

<bean   :mrgreen:   efine id="sourceScreenMass" name="materialForm" property="callingScreen"/>;

//alert('materialCodeSearch-->'+'<%=materialCodeSearch%>')

var callScr=('<%=sourceScreenMass%>'=='')?document.forms[0].calledFrom.value:'<%=sourceScreenMass%>';
 
//alert('callScr===='+callScr);

if(callScr=='FINDREPLACEITEM' && '<%=materialCodeSearch%>' !='')
{
document.forms[0].itemCode.value="<%=materialCodeSearch%>";
}
/**********/

}

load function like

None of the functions that get called internally in the javascript on
load function like changeCategoryType have a submit. They just set the value of the select boxes in the jsp

and as i said in my fisrt message, tht by changing some browser settings the double refreesh does get avoided. But I do not wish to change the browser settings as there are other dependencies in the application for the existing browser settings
[ March 05, 2006: Message edited by: Pratik Lohia ]

Bear Bibeault

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posted 16 years ago

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but if u wud

If you want people to take the time and help you with your problem, perhaps you could show the courtesy to take the time to type out the complete letters in "you" and "would"?

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Pratik Lohia

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posted 16 years ago

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i did not know all these things matter on the ranch...
i would take care of it in the future...
however takin into consideration the way the world wide web functions... it is also about saving time (productive time for every person on the internet) and thats why those shortcuts were there(a lot of u's for you's and wud for would do save some time...dont they?;-))) and i assume that nobody would find them rude or incourtous as they are the lingo of the web...
anyways...sir.. .your point is taken and will be adhered to.

and i hope that my question still remains the active thread... and that there is some help and answer for it

[ March 05, 2006: Message edited by: Pratik Lohia ]
[ March 05, 2006: Message edited by: Pratik Lohia ]

Bear Bibeault

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posted 16 years ago

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Originally posted by Pratik Lohia:
i did not know all these things matter on the ranch...

They do. Please read this.

it is also about saving time (productive time for every person on the internet)

No, lazy typing like that is about saving your time at the expense of people who have to take the time to decipher the gibberish.

and i assume that nobody would find them rude or incourtous

Incorrect. I find it highly rude and discourteous. It's one thing to make such shortcuts in a chat room or when text messaging on a cell phone, but in a venue such as this where you compose the messages before posting them, it's just lazy and discourteous.

your point is taken and will be adhered to.

Thank you.

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Bear Bibeault

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posted 16 years ago

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The JSP source is considerably less helpful and interresting than would be the composed HTML sent to the browser. Why not post that?

Also, have you observed this in more than one browser?

Another hint: clicking the 'disable smilies' checkbox when posting code is always a good idea.

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Pratik Lohia

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posted 16 years ago

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I have tried it on other browsers like opera and mozilla. it works fine there
[ March 06, 2006: Message edited by: Pratik Lohia ]

Bear Bibeault

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posted 16 years ago

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So the problem is only observed in IE? Makes me wonder if it's just the browser flickering the display for some reason.

Have you determined whether this could be the case? Or are you certain that two requests are being made to the server?

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Pratik Lohia

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posted 16 years ago

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I am certain it is not browser flickering... because if that were the case the changing of settings would not have stopped it from happening. Secondly, I the case of double submit also has been investigated. Even that does not seem to be the issue. There are no double requests being submitted at the browser

Bear Bibeault

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posted 16 years ago

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OK, then it's clearly a browser issue. At this point I'm moving this over to HTML forum. I'd suggest that you post a reply showing the HTML generated for your page (not the JSP source) to see if anyone there can tell what's making IE act so weird.

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